Merged android-experimental branch back to trunk.

android/android-opencv/jni/include/glcamera.h

@@ -0,0 +1,48 @@
+#ifndef GLCAMERA_H_
+#define GLCAMERA_H_
+#include <opencv2/core/core.hpp>
+
+#ifdef __ANDROID__
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+#else
+#include <GL/gl.h>
+#include <GL/glu.h>
+#endif
+
+#include "image_pool.h"
+
+class glcamera
+{
+public:
+
+  glcamera();
+  ~glcamera();
+  void init(int width, int height);
+  void step();
+
+  void drawMatToGL(int idx, image_pool* pool);
+  void drawMatToGL(const cv::Mat& img);
+  void setTextureImage(const cv::Mat& img);
+
+  void clear();
+
+private:
+  GLuint createSimpleTexture2D(GLuint _textureid, GLubyte* pixels, int width, int height, int channels);
+  GLuint loadShader(GLenum shaderType, const char* pSource);
+  GLuint
+  createProgram(const char* pVertexSource, const char* pFragmentSource);
+  bool setupGraphics(int w, int h);
+  void renderFrame();
+  cv::Mat nimg;
+  bool newimage;
+  GLuint textureID;
+
+  GLuint gProgram;
+  GLuint gvPositionHandle;
+
+  GLuint gvTexCoordHandle;
+  GLuint gvSamplerHandle;
+  float img_w, img_h;
+};
+#endif